tinygo docker compile instructions

Author: techcoderx

src/content/docs/How To/smart contract development.mdx

@@ -101,6 +101,14 @@ To compile your contract:
 tinygo build -gc=custom -scheduler=none -panic=trap -no-debug -target=wasm-unknown -o artifacts/main.wasm contract/main.go
 ```
 
+<Aside type="tip">
+For the best chance of successful contract source code verification on block explorers, compile your contract using Docker:
+```sh
+docker pull tinygo/tinygo:0.39.0
+docker run --rm -v $(pwd):/home/tinygo tinygo/tinygo:0.39.0 tinygo build -gc=custom -scheduler=none -panic=trap -no-debug -target=wasm-unknown -o artifacts/main.wasm contract/main.go
+```
+</Aside>
+
 To remove metadata from the output WASM binary to reduce file size:
 
 <Tabs syncKey="wasmTools">